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Decimal Mastery Worksheet

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Decimal Mastery Worksheet

Year 4 Maths — Decimals Unit

Decimal place value illustration

🔢 Part 1: Decimal Place Value & Comparing

1. What does the digit 7 represent in the number 3.7?

7 ones

7 tenths

7 hundredths

7 tens

2. Which decimal is the largest?

0.3

0.9

0.5

0.7

3. Which of the following are equal to 0.5? Tick all that apply.

1/2

50%

5/10

0.05

4. Order these decimals from smallest to largest. Write them on the line below.

0.6    0.2    0.9    0.4

Smallest → Largest: _______ , _______ , _______ , _______

5. Fill in the blank using <, >, or =.

   0.3 _______ 0.7        1.0 _______ 10/10        0.8 _______ 0.4

➕➖ Part 2: Adding & Subtracting Decimals

6. Use the number line to solve: 1.3 + 0.4 = _______

Mark your jumps on the number line below:

|——|——|——|——|——|——|——|——|——|——|

1.0   1.1   1.2   1.3   1.4   1.5   1.6   1.7   1.8   1.9   2.0

7. Solve using the vertical algorithm. Remember to line up the decimal points!

     a)   2.5 + 1.3 = _______

     b)   4.8 − 2.3 = _______

8. Complete the fraction–decimal–percentage table:

Fraction       Decimal       Percentage

   1/10            _______         _______

   _______        0.5            _______

   _______        _______         75%

🌏 Part 3: Word Problems

9. Aroha ran 2.4 km on Monday and 1.3 km on Tuesday. How far did she run altogether?

Answer: _______ km

10. Tama had $5.80 in his kete. He spent $2.50 on a snack. How much money does he have left?

Answer: $_______

11. Challenge! 🌟 Write your own decimal word problem using addition or subtraction. Then solve it!

My answer: _______

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